Home / 996,715.60-1,495,073.40-990,810.70

Finding the Fourth Proportional to 996,715.60, 1,495,073.40 and 990,810.70

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Solution

The fourth proportional to 996,715.60, 1,495,073.40 and 990,810.70 is: 1,486,216.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,715.60 : 1,495,073.40 = 990,810.70 : x
  2. Step 2: Convert to fraction form
    996,715.60/1,495,073.40 = 990,810.70/x
  3. Step 3: Cross multiply
    996,715.60x = 1,495,073.40 × 990,810.70
  4. Step 4: Simplify right side
    996,715.60x = 1,481,334,722,005.38
  5. Step 5: Solve for x
    x = 1,481,334,722,005.38/996,715.60
  6. Step 6: Final answer
    x = 1,486,216.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.